Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938902 | Process for producing aromatic imide polymer hollow filaments | Yoshihiro Kusuki, Takashi Harada | 1990-07-03 |
| 4830640 | Aromatic imide polymer hollow filaments | Yoshihiro Kusuki, Takashi Harada | 1989-05-16 |
| 4378324 | Process for preparing aromatic polyimide semipermeable membranes | Hiroshi Makino, Yoshihiro Kusuki, Hiroshi Yoshida | 1983-03-29 |